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[MoE Refactor] Migrate Unquantized to Full Oracle Flow (#36286)

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Signed-off-by: Yifan Zong <yzong@redhat.com>
Signed-off-by: Robert Shaw <robshaw@redhat.com>
Signed-off-by: yzong-rh <yzong@redhat.com>
Co-authored-by: Robert Shaw <114415538+robertgshaw2-redhat@users.noreply.github.com>
Co-authored-by: Robert Shaw <robshaw@redhat.com>
This commit is contained in:
yzong-rh
2026-03-31 15:43:33 -04:00
committed by GitHub
parent 598190aac3
commit d9b90a07ac
11 changed files with 618 additions and 514 deletions
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110
tests/kernels/moe/test_unquantized_backend_selection.py
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@@ -24,7 +24,7 @@ from vllm.platforms import current_platform
],
)
@patch(
"vllm.model_executor.layers.fused_moe.oracle.unquantized.has_flashinfer",
"vllm.utils.flashinfer.has_flashinfer",
return_value=False,
)
@patch(
@@ -54,13 +54,29 @@ def test_select_default_backend_by_platform(
# Set only the specified platform to True
getattr(mock_platform, platform_method).return_value = True
with (
patch.object(current_platform, "is_cuda", return_value=False),
patch.object(current_platform, "is_rocm", return_value=False),
patch.object(current_platform, "is_cpu", return_value=False),
patch.object(current_platform, "is_xpu", return_value=False),
patch.object(current_platform, "is_tpu", return_value=False),
patch.object(current_platform, "is_out_of_tree", return_value=False),
patch.object(current_platform, platform_method, return_value=True),
):
moe_config = make_dummy_moe_config()
selected_backend = select_unquantized_moe_backend(
moe_config=moe_config,
use_dp=False,
selected_backend, expert_cls = select_unquantized_moe_backend(
moe_config=moe_config
)
assert selected_backend == expected_backend
if expected_backend in [
UnquantizedMoeBackend.CPU,
UnquantizedMoeBackend.OOT,
UnquantizedMoeBackend.TPU,
]:
assert expert_cls is None
else:
assert expert_cls is not None
@patch(
@@ -87,88 +103,90 @@ def test_select_rocm_aiter_backend(mock_aiter_enabled, mock_has_flashinfer):
mock_platform.is_out_of_tree.return_value = False
moe_config = make_dummy_moe_config()
selected_backend = select_unquantized_moe_backend(
selected_backend, expert_cls = select_unquantized_moe_backend(
moe_config=moe_config,
use_dp=False,
)
assert selected_backend == UnquantizedMoeBackend.AITER
assert expert_cls is not None
@patch(
"vllm.model_executor.layers.fused_moe.oracle.unquantized.has_flashinfer",
return_value=True,
)
@patch(
"vllm.model_executor.layers.fused_moe.oracle.unquantized.is_supported_config_trtllm_bf16",
"vllm.model_executor.layers.fused_moe.experts.trtllm_bf16_moe.TrtLlmBf16Experts.is_supported_config",
return_value=(True, None),
)
@pytest.mark.skipif(
not current_platform.is_cuda(), reason="Only supported on NVIDIA platforms."
)
def test_select_cuda_flashinfer_trtllm_backend(
mock_has_flashinfer, mock_is_supported_trtllm, monkeypatch
):
def test_select_cuda_flashinfer_trtllm_backend(mock_is_supported_trtllm, monkeypatch):
"""Test CUDA backend selection when FlashInfer TRTLLM is available and enabled."""
with patch(
"vllm.model_executor.layers.fused_moe.oracle.unquantized.current_platform"
) as mock_platform:
# Set as CUDA platform
mock_platform.is_cuda.return_value = True
mock_platform.is_rocm.return_value = False
mock_platform.is_cpu.return_value = False
mock_platform.is_xpu.return_value = False
mock_platform.is_tpu.return_value = False
mock_platform.is_out_of_tree.return_value = False
with (
patch.object(current_platform, "is_cuda", return_value=True),
patch.object(current_platform, "is_rocm", return_value=False),
patch.object(current_platform, "is_cpu", return_value=False),
patch.object(current_platform, "is_xpu", return_value=False),
patch.object(current_platform, "is_tpu", return_value=False),
patch.object(current_platform, "is_out_of_tree", return_value=False),
patch.object(current_platform, "has_device_capability", return_value=True),
):
monkeypatch.setenv("VLLM_USE_FLASHINFER_MOE_FP16", "1")
moe_config = make_dummy_moe_config()
# TRTLLM requires EP and does not support DP
moe_config.moe_parallel_config.use_ep = True
moe_config.moe_parallel_config.use_dp = False
selected_backend = select_unquantized_moe_backend(
moe_config=moe_config,
use_dp=False,
selected_backend, experts_cls = select_unquantized_moe_backend(
moe_config=moe_config
)
assert selected_backend == UnquantizedMoeBackend.FLASHINFER_TRTLLM
assert experts_cls is not None
@patch(
"vllm.model_executor.layers.fused_moe.oracle.unquantized.has_flashinfer",
"vllm.utils.flashinfer.has_flashinfer",
return_value=True,
)
@patch(
"vllm.model_executor.layers.fused_moe.oracle.unquantized.is_supported_config_trtllm_bf16",
"vllm.model_executor.layers.fused_moe.experts.trtllm_bf16_moe.TrtLlmBf16Experts.is_supported_config",
return_value=(False, None),
)
@patch(
"vllm.model_executor.layers.fused_moe.flashinfer_cutlass_moe.FlashInferExperts.is_supported_config",
return_value=(True, None),
)
@pytest.mark.skipif(
not current_platform.is_cuda(), reason="Only supported on NVIDIA platforms."
)
def test_select_cuda_flashinfer_cutlass_backend(
mock_has_flashinfer, mock_is_supported_trtllm, monkeypatch
mock_has_flashinfer,
mock_is_supported_trtllm,
mock_is_supported_cutlass,
monkeypatch,
):
"""Test CUDA backend selection when FlashInfer TRTLLM is not available
and FlashInfer CUTLASS is available."""
with patch(
"vllm.model_executor.layers.fused_moe.oracle.unquantized.current_platform"
) as mock_platform:
# Set as CUDA platform with Hopper capability
mock_platform.is_cuda.return_value = True
mock_platform.is_rocm.return_value = False
mock_platform.is_cpu.return_value = False
mock_platform.is_xpu.return_value = False
mock_platform.is_tpu.return_value = False
mock_platform.is_out_of_tree.return_value = False
mock_platform.has_device_capability.return_value = True # SM90+
with (
patch.object(current_platform, "is_cuda", return_value=True),
patch.object(current_platform, "is_rocm", return_value=False),
patch.object(current_platform, "is_cpu", return_value=False),
patch.object(current_platform, "is_xpu", return_value=False),
patch.object(current_platform, "is_tpu", return_value=False),
patch.object(current_platform, "is_out_of_tree", return_value=False),
patch.object(current_platform, "has_device_capability", return_value=True),
):
# Enable FlashInfer via env var
monkeypatch.setenv("VLLM_USE_FLASHINFER_MOE_FP16", "1")
moe_config = make_dummy_moe_config()
# CUTLASS requires EP and does not support DP
moe_config.moe_parallel_config.use_ep = True
moe_config.moe_parallel_config.use_dp = False
selected_backend = select_unquantized_moe_backend(
moe_config=moe_config,
use_dp=False, # CUTLASS doesn't support DP
selected_backend, experts_cls = select_unquantized_moe_backend(
moe_config=moe_config
)
assert selected_backend == UnquantizedMoeBackend.FLASHINFER_CUTLASS
assert experts_cls is not None